ASTM A576 Grade 11L17 Introduce

ASTM A576 Grade 11L17 is a special-grade steel that has unique mechanical properties, making it a popular and cost-effective choice for many engineering and construction projects. The steel contains a low-carbon content and is corrosion-resistant, making it highly durable. The steel also has a tensile strength of 170,000 psi ETF, a Rockwell hardness of 160-190, and an impact strength of 20 foot-pounds. These mechanical properties make ASTM A576 Grade 11L17 an ideal material for high-strength applications needing a strong and durable material.

Smelting temperature:1862°C - 1593°C

Application:Super hot rolled carbon steel rod

ASTM A576 Grade 11L17 Material Chemical Composition

The chemical composition of the ASTM A576 Grade 11L17 steel are as follows:

ElementMinMax
Silicon (Si)-0.1000
Sulfur (S)0.08000.1300
Lead (Pb)0.15000.3500
PhOsphorus (P)-0.0400
Manganese (Mn)1.00001.3000
Carbon (C)0.14000.2000

ASTM A576 Grade 11L17 Material Mechanical Properties

The mechanical properties of the ASTM A576 Grade 11L17 steel are as follows:

YieldRp0.2 ≤ 587 (MPa)
TeileRm≤ 181 (MPa)
ImpactKV/Ku24(J)
ElongationA34%
Reduction in cross section on fractureZ32%
As-Heat-Treated ConditionSolution and Aging, Annealing, Ausaging, Q+T,etc
Brinell hardness (HBW)132

ASTM A576 Grade 11L17 Material Thermal Properties

The thermal performance parameters of the ASTM A576 Grade 11L17 steel are as follows:

Temperature (°C)12135617
Modulus of elasticity (GPa)-593-
Mean coefficient of thermal expaion ×10-6/(°C)--21
Thermal conductivity (W/m·°C)-31.343.2
Specific thermal capacity (J/kg·°C)-422-
Specific electrical resistivity (Ω mm²/m)0.34--
Deity (kg/dm³)--231
Poisson’s coefficient, ν--322

ASTM A576 Grade 11L17 Material Machining Technology

ASTM A576 Grade 11L17 steel is a versatile material that is widely used in a range of machining applications. It requires special consideration when machining due to its hardenability and alloying elements. Cutting tools suitable for this task include high-speed steel and cobalt-based tools. The cutting speed should be kept low to ensure a successful machining process, and the feed rate should be as low as possible. Additionally, proper cooling should be used to reduce tool wear.